Home / 862,365.17-1,293,737.09-255,105.94

Finding the Fourth Proportional to 862,365.17, 1,293,737.09 and 255,105.94

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Solution

The fourth proportional to 862,365.17, 1,293,737.09 and 255,105.94 is: 382,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,365.17 : 1,293,737.09 = 255,105.94 : x
  2. Step 2: Convert to fraction form
    862,365.17/1,293,737.09 = 255,105.94/x
  3. Step 3: Cross multiply
    862,365.17x = 1,293,737.09 × 255,105.94
  4. Step 4: Simplify right side
    862,365.17x = 330,040,016,457.32
  5. Step 5: Solve for x
    x = 330,040,016,457.32/862,365.17
  6. Step 6: Final answer
    x = 382,714.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.